<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <title>Title</title>
</head>
<body>
    <script>
          var arr=[];
          arr['1-11-3']=13456;
          arr.push(10)
          for(var i=0; i<arr.length; i++){
              console.log(arr[i])
          }
        console.log(arr)
    </script>
</body>
</html>